Re: [PATCH v4] dt-bindings: display: tegra: Convert to json-schema

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On Fri, Dec 17, 2021 at 05:43:20PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
> 
> Convert the Tegra host1x controller bindings from the free-form text
> format to json-schema.
> 
> This also adds the missing display-hub DT bindings that were not
> previously documented.
> 
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
> ---
> Changes in v4:
> - add interconnect, interconnect-names, operating-points-v2 and
>   power-domains property to match latest DT updates
> - drop stale reference to DPAUX pad controller bindings
> - include dsi-controller.yaml and drop $nodename, #address-cells,
>   #size-cells and patternProperties from DSI bindings
> - integrate #sound-dai-cells addition from published patch
> - drop some generic, useless comments
> 
> Changes in v3:
> - split into separate YAML files for simplicity
> - add display-hub DT bindings
> 
> Changes in v2:
> - use additionalProperties instead of unevaluatedProperties where
>   sufficient
> - drop redundant $ref and add missing maxItems properties
> - drop documentation for standard properties
> - remove status properties from example
> - drop spurious comments

Hi Rob,

for your convenience, I'm attaching the diff from yesterday's version 3
to make it hopefully a bit easier to review.

Thierry
From f016de415f8a6bf263337bc88a840093a3f7514f Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@xxxxxxxxxx>
Date: Fri, 17 Dec 2021 14:44:47 +0100
Subject: [PATCH] squash! dt-bindings: display: tegra: Convert to json-schema

---
 .../display/tegra/nvidia,tegra124-sor.yaml    |   3 -
 .../display/tegra/nvidia,tegra20-dc.yaml      |   7 ++
 .../display/tegra/nvidia,tegra20-dsi.yaml     |  25 +---
 .../display/tegra/nvidia,tegra20-epp.yaml     |  13 +++
 .../display/tegra/nvidia,tegra20-gr2d.yaml    |  13 +++
 .../display/tegra/nvidia,tegra20-gr3d.yaml    | 107 +++++++++++++++++-
 .../display/tegra/nvidia,tegra20-hdmi.yaml    |  10 ++
 .../display/tegra/nvidia,tegra20-host1x.yaml  |  19 +++-
 .../display/tegra/nvidia,tegra20-isp.yaml     |  12 ++
 .../display/tegra/nvidia,tegra20-mpe.yaml     |  15 +++
 .../display/tegra/nvidia,tegra20-tvo.yaml     |   7 ++
 .../display/tegra/nvidia,tegra20-vi.yaml      |  18 ++-
 12 files changed, 215 insertions(+), 34 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-sor.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-sor.yaml
index afc283796653..0188baad0865 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-sor.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra124-sor.yaml
@@ -14,9 +14,6 @@ description: |
   The Serial Output Resource (SOR) can be used to drive HDMI, LVDS, eDP
   and DP outputs.
 
-  See ../pinctrl/nvidia,tegra124-dpaux-padctl.txt for information
-  regarding the DPAUX pad controller bindings.
-
 properties:
   $nodename:
     pattern: "^sor@[0-9a-f]+$"
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml
index eeffb8d7c597..ac346af663cd 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dc.yaml
@@ -59,6 +59,13 @@ properties:
   iommus:
     maxItems: 1
 
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the core power domain
+
   nvidia,head:
     $ref: /schemas/types.yaml#/definitions/uint32
     description: The number of the display controller head. This is used to setup the various
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dsi.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dsi.yaml
index abab8783db1b..75546f250ad7 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dsi.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-dsi.yaml
@@ -11,9 +11,6 @@ maintainers:
   - Jon Hunter <jonathanh@xxxxxxxxxx>
 
 properties:
-  $nodename:
-    pattern: "^dsi@[0-9a-f]+$"
-
   compatible:
     oneOf:
       - enum:
@@ -50,15 +47,12 @@ properties:
     items:
       - const: dsi
 
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
   power-domains:
     maxItems: 1
 
-  '#address-cells':
-    const: 1
-
-  '#size-cells':
-    const: 0
-
   avdd-dsi-csi-supply:
     description: phandle of a supply that powers the DSI controller
 
@@ -90,17 +84,8 @@ properties:
       gang up with in order to support up to 8 data lanes
     $ref: "/schemas/types.yaml#/definitions/phandle"
 
-patternProperties:
-  "^panel@[0-9]+$":
-    type: object
-    properties:
-      reg:
-        maxItems: 1
-
-    required:
-      - reg
-
 allOf:
+  - $ref: "../dsi-controller.yaml#"
   - if:
       properties:
         compatible:
@@ -142,7 +127,7 @@ allOf:
       required:
         - interrupts
 
-additionalProperties: false
+unevaluatedProperties: false
 
 required:
   - compatible
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml
index d6c45a385c89..0d55e6206b5e 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-epp.yaml
@@ -40,6 +40,19 @@ properties:
   iommus:
     maxItems: 1
 
+  interconnects:
+    maxItems: 4
+
+  interconnect-names:
+    maxItems: 4
+
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the core power domain
+
 additionalProperties: false
 
 examples:
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr2d.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr2d.yaml
index f431a23a1373..984a0de9b8a8 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr2d.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr2d.yaml
@@ -43,6 +43,19 @@ properties:
   iommus:
     maxItems: 1
 
+  interconnects:
+    maxItems: 4
+
+  interconnect-names:
+    maxItems: 4
+
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the HEG or core power domain
+
 additionalProperties: false
 
 examples:
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr3d.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr3d.yaml
index 956d1f507208..4177d311899b 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr3d.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-gr3d.yaml
@@ -32,18 +32,77 @@ properties:
     maxItems: 2
 
   resets:
-    minItems: 1
-    maxItems: 2
+    minItems: 2
+    maxItems: 4
 
   reset-names:
+    minItems: 2
+    maxItems: 4
+
+  iommus:
     minItems: 1
     maxItems: 2
 
-  iommus:
+  interconnects:
+    minItems: 4
+    maxItems: 10
+
+  interconnect-names:
+    minItems: 4
+    maxItems: 10
+
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
     minItems: 1
     maxItems: 2
 
+  power-domain-names:
+    minItems: 2
+    maxItems: 2
+
 allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: nvidia,tegra20-gr2d
+    then:
+      properties:
+        clocks:
+          items:
+            - description: module clock
+
+        clock-names:
+          items:
+            - const: 3d
+
+        resets:
+          items:
+            - description: module reset
+            - description: memory client hotflush reset
+
+        reset-names:
+          items:
+            - const: 3d
+            - const: mc
+
+        iommus:
+          maxItems: 1
+
+        interconnects:
+          minItems: 4
+          maxItems: 4
+
+        interconnect-names:
+          minItems: 4
+          maxItems: 4
+
+        power-domains:
+          items:
+            - description: phandle to the TD power domain
+
   - if:
       properties:
         compatible:
@@ -76,8 +135,36 @@ allOf:
             - const: mc2
 
         iommus:
+          minItems: 2
           maxItems: 2
-    else:
+
+        interconnects:
+          minItems: 8
+          maxItems: 8
+
+        interconnect-names:
+          minItems: 8
+          maxItems: 8
+
+        power-domains:
+          items:
+            - description: phandle to the TD power domain
+            - description: phandle to the TD2 power domain
+
+        power-domain-names:
+          items:
+            - const: 3d0
+            - const: 3d1
+
+      dependencies:
+        power-domains: [ power-domain-names ]
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: nvidia,tegra114-gr2d
+    then:
       properties:
         clocks:
           items:
@@ -100,6 +187,18 @@ allOf:
         iommus:
           maxItems: 1
 
+        interconnects:
+          minItems: 10
+          maxItems: 10
+
+        interconnect-names:
+          minItems: 10
+          maxItems: 10
+
+        power-domains:
+          items:
+            - description: phandle to the TD power domain
+
 additionalProperties: false
 
 examples:
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-hdmi.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-hdmi.yaml
index 4384803b9017..035b9f1f2eb5 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-hdmi.yaml
@@ -50,6 +50,13 @@ properties:
     items:
       - const: hdmi
 
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the core power domain
+
   hdmi-supply:
     description: supply for the +5V HDMI connector pin
 
@@ -76,6 +83,9 @@ properties:
     description: phandle of a display panel
     $ref: "/schemas/types.yaml#/definitions/phandle"
 
+  "#sound-dai-cells":
+    const: 0
+
 additionalProperties: false
 
 required:
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
index 4870d2130581..4fd513efb0f7 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
@@ -71,11 +71,13 @@ properties:
       - const: host1x
 
   resets:
+    minItems: 1 # MC reset is optional on Tegra186 and later
     items:
       - description: module reset
       - description: memory client hotflush reset
 
   reset-names:
+    minItems: 1 # MC reset is optional on Tegra186 and later
     items:
       - const: host1x
       - const: mc
@@ -84,17 +86,20 @@ properties:
     maxItems: 1
 
   interconnects:
-    description: Description of the interconnect paths for the host1x
-      controller; see ../interconnect/interconnect.txt for details.
     items:
       - description: memory read client for host1x
 
   interconnect-names:
-    description: A list of names identifying each entry listed in the
-      "interconnects" property.
     items:
       - const: dma-mem # read
 
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the HEG or core power domain
+
 required:
   - compatible
   - interrupts
@@ -133,6 +138,12 @@ allOf:
             - description: physical base address and length of the register
                 region used by the hypervisor
 
+        resets:
+          maxItems: 1
+
+        reset-names:
+          maxItems: 1
+
       required:
         - reg-names
 
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml
index f94f30830bbf..3bc3b22e98e1 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-isp.yaml
@@ -38,6 +38,18 @@ properties:
   iommus:
     maxItems: 1
 
+  interconnects:
+    items:
+      - description: memory write client
+
+  interconnect-names:
+    items:
+      - const: dma-mem # write
+
+  power-domains:
+    items:
+      - description: phandle to the VENC or core power domain
+
 additionalProperties: false
 
 examples:
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml
index 4dbbba3678ae..4154ae01ad13 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-mpe.yaml
@@ -41,6 +41,21 @@ properties:
   iommus:
     maxItems: 1
 
+  interconnects:
+    minItems: 6
+    maxItems: 6
+
+  interconnect-names:
+    minItems: 6
+    maxItems: 6
+
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the MPE power domain
+
 additionalProperties: false
 
 examples:
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-tvo.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-tvo.yaml
index c1d4c6fe923f..467b015e5700 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-tvo.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-tvo.yaml
@@ -30,6 +30,13 @@ properties:
     items:
       - description: module clock
 
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the core power domain
+
 additionalProperties: false
 
 required:
diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-vi.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-vi.yaml
index 5cb2d9964c05..782a4b10150a 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-vi.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-vi.yaml
@@ -47,6 +47,21 @@ properties:
   iommus:
     maxItems: 1
 
+  interconnects:
+    minItems: 4
+    maxItems: 5
+
+  interconnect-names:
+    minItems: 4
+    maxItems: 5
+
+  operating-points-v2:
+    $ref: "/schemas/types.yaml#/definitions/phandle"
+
+  power-domains:
+    items:
+      - description: phandle to the VENC power domain
+
   "#address-cells":
     const: 1
 
@@ -56,9 +71,6 @@ properties:
   ranges:
     maxItems: 1
 
-  power-domains:
-    maxItems: 1
-
   avdd-dsi-csi-supply:
     description: DSI/CSI power supply. Must supply 1.2 V.
 
-- 
2.34.1

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